export = class Frequency {
  public static typeof: Frequency = new Frequency();

  // 频率设置
  public frequency: number = 0;
  // 时间
  public lastTimeRequestTime: number = 0;
  // 锁,代表任务队列是否正在执行
  public lock: boolean = false;
  // 任务队列
  public taskQueue: any[] = [];
}